I can t reserve, i always received this message since 24h....
Unfortunately, a server error prevented your request from being completed. Airbnb may be undergoing maintenance or your connection may have timed out. Please try again.
I'm sorry you are having trouble with the website. Have you tried clearing your cache or using an entirely different browser (Chrome Firefox, etc.). Worse case scenario, can you try a different computer, say a friend's or at the library?